Finding the Fourth Proportional to 118,017.42, 162,865.89 and 64,302.41

Step by Step Solution

1. Step 1: Write the proportion equation
   118,017.42 : 162,865.89 = 64,302.41 : x
2. Step 2: Convert to fraction form
   118,017.42/162,865.89 = 64,302.41/x
3. Step 3: Cross multiply
   118,017.42x = 162,865.89 × 64,302.41
4. Step 4: Simplify right side
   118,017.42x = 10,472,668,419.47
5. Step 5: Solve for x
   x = 10,472,668,419.47/118,017.42
6. Step 6: Final answer
   x = 88,738.33